de22f3a6f9e223c9f31fd13031f6adaf35cbb7908e34f30fdb6dd67a545169ff

General

Target

88550b713dda18_JC.exe
Size

280KB
MD5

88550b713dda181f1cc2c3179a069987
SHA1

b674758b118cc935343d45a1df3be2b371c54879
SHA256

de22f3a6f9e223c9f31fd13031f6adaf35cbb7908e34f30fdb6dd67a545169ff
SHA512

cba7382cff07cb23ea6d3246f8a81a435f2730bb97d3dd7bb4f13fb562ccc26189be133497ee6fe82dc44ebae653c58a2cfaf999e5d9e369e5676b6856133e9a
SSDEEP

6144:QTz+WrPFZvTXb4RyW42vFlOloh2E+7pYUozDK:QTBPFV0RyWl3h2E+7pl

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1004	SearchIndexerDB.exe
2792	SearchIndexerDB.exe

Loads dropped DLL 3 IoCs

pid	Process
1996	88550b713dda18_JC.exe
1996	88550b713dda18_JC.exe
1996	88550b713dda18_JC.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 28 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000_CLASSES\cmos\Content-Type = "application/x-msdownload"	88550b713dda18_JC.exe
Key created	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000_CLASSES\.exe	88550b713dda18_JC.exe
Key created	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000_CLASSES\.exe\shell\open	88550b713dda18_JC.exe
Key created	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000_CLASSES\.exe\DefaultIcon	88550b713dda18_JC.exe
Key created	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000_CLASSES\cmos\shell\runas\command	88550b713dda18_JC.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000_CLASSES\.exe\shell\runas\command\ = "\"%1\" %*"	88550b713dda18_JC.exe
Key created	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000_CLASSES\cmos	88550b713dda18_JC.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000_CLASSES\cmos\shell\runas\command\ = "\"%1\" %*"	88550b713dda18_JC.exe
Key created	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000_CLASSES\cmos\shell\open\command	88550b713dda18_JC.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000_CLASSES\cmos\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Posix\\SearchIndexerDB.exe\" /START \"%1\" %*"	88550b713dda18_JC.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000_CLASSES\.exe\DefaultIcon\ = "%1"	88550b713dda18_JC.exe
Key created	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000_CLASSES\.exe\shell	88550b713dda18_JC.exe
Key created	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000_CLASSES\.exe\shell\runas\command	88550b713dda18_JC.exe
Key created	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000_CLASSES\cmos\shell\open	88550b713dda18_JC.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000_CLASSES\cmos\ = "Application"	88550b713dda18_JC.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000_CLASSES\cmos\DefaultIcon\ = "%1"	88550b713dda18_JC.exe
Key created	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000_CLASSES\cmos\shell	88550b713dda18_JC.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000_CLASSES\.exe\ = "cmos"	88550b713dda18_JC.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000_CLASSES\.exe\shell\open\command\IsolatedCommand = "\"%1\" %*"	88550b713dda18_JC.exe
Key created	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000_CLASSES\.exe\shell\runas	88550b713dda18_JC.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000_CLASSES\.exe\shell\runas\command\IsolatedCommand = "\"%1\" %*"	88550b713dda18_JC.exe
Key created	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000_CLASSES\cmos\DefaultIcon	88550b713dda18_JC.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000_CLASSES\cmos\shell\open\command\IsolatedCommand = "\"%1\" %*"	88550b713dda18_JC.exe
Key created	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000_CLASSES\cmos\shell\runas	88550b713dda18_JC.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000_CLASSES\cmos\shell\runas\command\IsolatedCommand = "\"%1\" %*"	88550b713dda18_JC.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000_CLASSES\.exe\Content-Type = "application/x-msdownload"	88550b713dda18_JC.exe
Key created	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000_CLASSES\.exe\shell\open\command	88550b713dda18_JC.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000_CLASSES\.exe\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Posix\\SearchIndexerDB.exe\" /START \"%1\" %*"	88550b713dda18_JC.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1004	SearchIndexerDB.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1996 wrote to memory of 1004	1996	88550b713dda18_JC.exe	28
PID 1996 wrote to memory of 1004	1996	88550b713dda18_JC.exe	28
PID 1996 wrote to memory of 1004	1996	88550b713dda18_JC.exe	28
PID 1996 wrote to memory of 1004	1996	88550b713dda18_JC.exe	28
PID 1004 wrote to memory of 2792	1004	SearchIndexerDB.exe	29
PID 1004 wrote to memory of 2792	1004	SearchIndexerDB.exe	29
PID 1004 wrote to memory of 2792	1004	SearchIndexerDB.exe	29
PID 1004 wrote to memory of 2792	1004	SearchIndexerDB.exe	29

C:\Users\Admin\AppData\Local\Temp\88550b713dda18_JC.exe
"C:\Users\Admin\AppData\Local\Temp\88550b713dda18_JC.exe"
1⤵
- Loads dropped DLL
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1996
- C:\Users\Admin\AppData\Roaming\Microsoft\Posix\SearchIndexerDB.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Posix\SearchIndexerDB.exe" /START "C:\Users\Admin\AppData\Roaming\Microsoft\Posix\SearchIndexerDB.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1004
- - C:\Users\Admin\AppData\Roaming\Microsoft\Posix\SearchIndexerDB.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Posix\SearchIndexerDB.exe"
    3⤵
    - Executes dropped EXE
    PID:2792

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Posix\SearchIndexerDB.exe

Filesize
280KB

MD5
a13dfa047b41f61c9df82b242262035e

SHA1
57e14be2b973d3e3d73cd18d3aba16a591113016

SHA256
119bd8f957f0c75981ec190134104a3de90bf5431480fe384b11e796f80e15b8

SHA512
9adfc08fa44e4c6bbea3598cd9fc83f89b19dbfb557b51cc7034338d8c7b50da1906ed41d6d88c9a3b73fa9483759e48dd94816d52e9f53e3951d093935d8ca0

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Posix\SearchIndexerDB.exe

Filesize
280KB

MD5
a13dfa047b41f61c9df82b242262035e

SHA1
57e14be2b973d3e3d73cd18d3aba16a591113016

SHA256
119bd8f957f0c75981ec190134104a3de90bf5431480fe384b11e796f80e15b8

SHA512
9adfc08fa44e4c6bbea3598cd9fc83f89b19dbfb557b51cc7034338d8c7b50da1906ed41d6d88c9a3b73fa9483759e48dd94816d52e9f53e3951d093935d8ca0

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Posix\SearchIndexerDB.exe

Filesize
280KB

MD5
a13dfa047b41f61c9df82b242262035e

SHA1
57e14be2b973d3e3d73cd18d3aba16a591113016

SHA256
119bd8f957f0c75981ec190134104a3de90bf5431480fe384b11e796f80e15b8

SHA512
9adfc08fa44e4c6bbea3598cd9fc83f89b19dbfb557b51cc7034338d8c7b50da1906ed41d6d88c9a3b73fa9483759e48dd94816d52e9f53e3951d093935d8ca0

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Posix\SearchIndexerDB.exe

Filesize
280KB

MD5
a13dfa047b41f61c9df82b242262035e

SHA1
57e14be2b973d3e3d73cd18d3aba16a591113016

SHA256
119bd8f957f0c75981ec190134104a3de90bf5431480fe384b11e796f80e15b8

SHA512
9adfc08fa44e4c6bbea3598cd9fc83f89b19dbfb557b51cc7034338d8c7b50da1906ed41d6d88c9a3b73fa9483759e48dd94816d52e9f53e3951d093935d8ca0

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\Posix\SearchIndexerDB.exe

Filesize
280KB

MD5
a13dfa047b41f61c9df82b242262035e

SHA1
57e14be2b973d3e3d73cd18d3aba16a591113016

SHA256
119bd8f957f0c75981ec190134104a3de90bf5431480fe384b11e796f80e15b8

SHA512
9adfc08fa44e4c6bbea3598cd9fc83f89b19dbfb557b51cc7034338d8c7b50da1906ed41d6d88c9a3b73fa9483759e48dd94816d52e9f53e3951d093935d8ca0

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\Posix\SearchIndexerDB.exe

Filesize
280KB

MD5
a13dfa047b41f61c9df82b242262035e

SHA1
57e14be2b973d3e3d73cd18d3aba16a591113016

SHA256
119bd8f957f0c75981ec190134104a3de90bf5431480fe384b11e796f80e15b8

SHA512
9adfc08fa44e4c6bbea3598cd9fc83f89b19dbfb557b51cc7034338d8c7b50da1906ed41d6d88c9a3b73fa9483759e48dd94816d52e9f53e3951d093935d8ca0

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\Posix\SearchIndexerDB.exe

Filesize
280KB

MD5
a13dfa047b41f61c9df82b242262035e

SHA1
57e14be2b973d3e3d73cd18d3aba16a591113016

SHA256
119bd8f957f0c75981ec190134104a3de90bf5431480fe384b11e796f80e15b8

SHA512
9adfc08fa44e4c6bbea3598cd9fc83f89b19dbfb557b51cc7034338d8c7b50da1906ed41d6d88c9a3b73fa9483759e48dd94816d52e9f53e3951d093935d8ca0

Download Submit

Analysis

Sharing